Home / 10,717.25-14,787.20-6,238.31

Finding the Fourth Proportional to 10,717.25, 14,787.20 and 6,238.31

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Solution

The fourth proportional to 10,717.25, 14,787.20 and 6,238.31 is: 8,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.25 : 14,787.20 = 6,238.31 : x
  2. Step 2: Convert to fraction form
    10,717.25/14,787.20 = 6,238.31/x
  3. Step 3: Cross multiply
    10,717.25x = 14,787.20 × 6,238.31
  4. Step 4: Simplify right side
    10,717.25x = 92,247,190.20
  5. Step 5: Solve for x
    x = 92,247,190.20/10,717.25
  6. Step 6: Final answer
    x = 8,607.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.